徒劳往返 túláowǎngfǎn to make a futile journey Origin Definitions Defs Strokes Stroke Words Sentences Sents 徒劳 徒勞 túláo to work in vain to waste one's energy or labor without results往返 wǎngfǎn verb to go back and forth to travel to and fro; to make a round trip; to shuttle between two places